src=myprocess-version1.c myprocess-version2.c myprocess-version3.c myprocess-version4.c myprocess-version5.c
target=myprocess-version1 myprocess-version2 myprocess-version3 myprocess-version4 myprocess-version5
cc=gcc

$(target):$(src)
	$(cc) $(src) -o $(target)
.PHONY:clean
clean:
	rm -f $(target) 
